Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word for each of the blanks.
We all know that jogging or running slowly ____(1) ___ long distances is good exercise for our ___(2) ___. It helps us keep fit and lose weight, makes the heart stronger, and even helps us feel better about ourselves. It costs almost nothing, ___(3) ___ a good pair of shoes to protect a jogger's leg and feet from the shock of the hard surfaces. A new kind of running shoes has just been introduced. The shoes____ (4 ) ______ designed by a team of researchers at the University of Calgary. The shoes, ____ (5) ______ are made of special materials, can reduce the damaging effects on a jogger's body.
A.healthful
B.health
C.healthy
D.healthily

Although he is old, he always takes part .......... social activities.
A.off
B.in
C.for
D.at

Ok. I'll pick you ........... at the airport when you arrive in the city
A.at
B.about
C.up
D.among

You should have prevented them................ driving carelessly.
A.from
B.on
C.at
D.in

Do you have an ............... trip?
A.excited
B.excite
C.excitedly
D.exciting

UFOs mean ............ flying objects.
A.unable
B.unidentified
C.unknown
D.unimaginary

If we became rich, we would travel ............ the world.
A.on
B.in
C.around
D.at

A.continent
B.depend
C.send
D.pretend

A.climate
B.pride
C.quit
D.primary

My parents do not allow me.............. , so I have to stay at home.
A.to go
B.go
C.going
D.gone